/*
 * Copyright 2017-2020 Alfresco Software, Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.activiti.cloud.services.modeling.validation.process;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Stream;
import org.activiti.bpmn.model.BpmnModel;
import org.activiti.cloud.modeling.api.ModelValidationError;
import org.activiti.cloud.modeling.api.ValidationContext;

public class BpmnModelValidator implements BpmnCommonModelValidator {

    public final String ERROR_TYPE = "Missing process category";

    public final String ERROR_DESCRIPTION = "The process category needs to be set";

    @Override
    public Stream<ModelValidationError> validate(BpmnModel bpmnModel, ValidationContext validationContext) {
        return validateTargetNamespace(bpmnModel);
    }

    public Stream<ModelValidationError> validateTargetNamespace(BpmnModel bpmnModel) {
        List<ModelValidationError> aggregatedErrors = new ArrayList();
        if (bpmnModel.getTargetNamespace() == null) {
            aggregatedErrors.add(new ModelValidationError(ERROR_TYPE, ERROR_DESCRIPTION));
        }
        return aggregatedErrors.stream();
    }
}
